Till 9e9617ff84
Add key backup tests (#3071)
Also slightly refactors the functions and methods to rely less on the
req/res pattern we had for polylith.

Returns `M_WRONG_ROOM_KEYS_VERSION` for some endpoints as per the spec
2023-04-28 17:49:38 +02:00
..
2023-04-28 17:49:38 +02:00